Optimized high current connector pattern for PDB

• US 9,905,985 B2
• Filed: 06/16/2015
• Issued: 02/27/2018
• Est. Priority Date: 06/16/2015
• Status: Active Grant

• Current Assignee: Lear Corporation
• Original Assignee: Lear Corporation
• Inventors: Darr, Christopher, Kowtun, Peter, Pajtas, Dennis, Pierik, Bruce, Nelson, Kent, Gawron, Steven
• Primary Examiner(s): Siek, Vuthe
• Application Number:
  US14/740,923
• Publication Number:
  US 20160372898A1
• Time in Patent Office: 987 Days
• CPC Class Codes: H01R 43/205 with a panel or printed circuit board
• CPC Class Codes: H02B 1/056 Mounting on plugboards
• CPC Class Codes: H05K 1/18 Printed circuits structurally associated with non-printed electric components H05K1/0201, H05K1/023, H05K1/0243, and H05K1/16 take precedence
• CPC Class Codes: H05K 2201/10181 Fuse
• CPC Class Codes: H05K 2201/10522 Adjacent components

Abstract

A power distribution box assembly may include a housing, a circuit board disposed in the housing, a plurality of electrical components attached to the circuit board, and/or a plurality of electrical traces attached to the circuit board and configured for electrically connecting the plurality of electrical components to at least one of another electrical component of the plurality of electrical components and an electronic control unit. A power distribution box assembly may include a wiring harness connector connected to the housing. In embodiments, a wiring harness connector may include a connector housing and a plurality of connector terminals that may be configured for electrical connection with the plurality of electrical components. A plurality of electrical components may be disposed relative to the circuit board in a manner that minimizes at least one of a number, a length, and a volume of the electrical traces.

Claims

1. A power distribution box assembly, comprising:

a circuit board;

a plurality of electrical components attached to the circuit board, at least one of the plurality of electrical components having a current rating of at least 60 amps; and

a plurality of electrical traces attached to the circuit board and configured for providing an electrical connection to the plurality of electrical components,

wherein an electrical component of the plurality of electrical components includes a first terminal extending into the circuit board and a second terminal that does not extend in to the circuit board.

2. The power distribution box assembly of claim 1, wherein the plurality of electrical components includes a first electrical component having a first center line and a second electrical component having a second center line, wherein the first center line and the second center line are separated by a distance of 11.2 mm or less and the first electrical component is smaller than the second electrical component.

3. The power distribution box assembly of claim 2, wherein the plurality of electrical components includes a third electrical component having a third center line and a fourth electrical component having a fourth center line;

the third center line and the fourth center line are separated by a distance 5.5 mm or less; and

, the first electrical component and the second electrical component are larger than both of the third electrical component and the fourth electrical component.

4. The power distribution box assembly of claim 1, wherein the plurality of electrical components are disposed relative to the circuit board such that at least one of a number, a length, and a volume of the electrical traces is minimized.

5. A power distribution box assembly, comprising:

a circuit board;

a plurality of electrical components attached to the circuit board, at least some of the electrical components including current ratings of at least 60 amps; and

a plurality of electrical traces attached to the circuit board and configured for providing an electrical connection to the plurality of electrical components,

wherein the plurality of electrical components includes a first set of electrical components and a second set of electrical components, and the first set of electrical components is attached to the circuit board such that a longest side of each electrical component of the first set of electrical components is parallel to a shortest side of the circuit board.

6. The power distribution box assembly of claim 5, comprising a wiring harness connector including a plurality of connector terminals configured for electrical connection with the plurality of electrical components;

wherein each the plurality of electrical components includes a plurality of electrical component terminals, and at least one of the electrical component terminals extends through the circuit board and is connected to a corresponding connector terminal of the wiring harness connector.

7. The power distribution box assembly of claim 5, wherein the second set of electrical components is attached to the circuit board such that a shortest side of each electrical component of the second set of electrical components is perpendicular to a longest edge of the circuit board.

8. The power distribution box assembly of claim 6, wherein the plurality of electrical components are attached to the circuit board in a plurality of rows and at least one row includes a first electrical component from the first set of electrical components and a second electrical component from the second set of electrical components.

9. The power distribution box assembly of claim 7, wherein at least one row includes at least two electrical components of the first set of electrical components and at least two electrical components of the second set of electrical components.

10. The power distribution box assembly of claim 8, wherein the plurality of rows includes at least eight rows, and at least three of the plurality of rows include different numbers of electrical components.

11. A method of manufacturing an electrical connector, the method comprising:

determining a circuit board layout for a circuit board having electrical traces that electrically connect a plurality of electrical components;

designing a layout for components of the electrical connector according to the determined circuit board layout; and

manufacturing the electrical connector according to the designed layout.

12. The method of claim 11, wherein the electrical connector is a wiring harness connector of a wiring harness, and wherein determining the circuit board layout comprises:

determining a maximum surface area of the circuit board; and

determining a set of electrical components to be attached to the circuit board.

13. The method of claim 11, wherein determining the circuit board layout comprises iteratively arranging the plurality of electrical components relative to the circuit board.

14. The method of claim 13, wherein iteratively arranging the plurality of electrical components is conducted via a computer simulation of the circuit board and the electrical components.

15. The method of claim 11, wherein the plurality of electrical components includes a first electrical component and a second electrical component;

and, the determined circuit board layout includes the first electrical component and the second electrical component being disposed such that respective center lines of the first electrical component and the second electrical component are separated by distance of 11.2 mm or less.

16. The method of claim 15, wherein the plurality of electrical components includes a third electrical component and a fourth electrical component;

the determined circuit board layout includes the third electrical component and the fourth electrical component being disposed such that respective center lines of the third electrical component and the fourth electrical component are separated by a distance of 5.5 mm or less; and

, the first electrical component and the second electrical component are larger than both of the third electrical component and the fourth electrical component.

17. The method of claim 11, comprising assembling the circuit board and the electrical components according to the determined circuit board layout, and connecting the electrical connector with the assembled electrical components.

18. The method of claim 11, wherein the determined circuit board layout comprises at least one electrical component of the plurality of electrical components being disposed with a first electrical terminal attached to the circuit board and a second electrical terminal not attached to the circuit board, and the second electrical terminal is disposed laterally outside of a perimeter of the circuit board.

19. The method of claim 11, wherein the determined circuit board layout comprises each electrical component of the plurality of electrical components having a first electrical terminal extending through the circuit board for connection with the electrical connector and a second electrical terminal that does not extend through the circuit board.

20. The method of claim 11, wherein the plurality of electrical components includes a first set of electrical components and a second set of electrical components;

the determined circuit board layout includes the first set of electrical components being attached to the circuit board such that a longest side of each electrical component of the first set of electrical components is perpendicular to a longest edge of the circuit board;

the determined circuit board layout includes the second set of electrical components being attached to the circuit board such that a longest side of each electrical component of the second set of electrical components is parallel to the longest edge of the circuit board;

the determined circuit board layout includes the plurality of electrical components being attached to the circuit board in a plurality of rows;

at least one of the plurality of rows includes a first electrical component from the first set of electrical components and a second electrical component from the second set of electrical components.